Class 12 Biology MCQs Evolution for NEET

Here, you will get Class 12 Biology MCQ of Chapter 7 Evolution for cracking NEET/AIIMS. By solving these MCQs of Class 12 Biology Chapter 7 Evolution, you will get the confidence to crack NEET. Practice MCQ Questions for Class 12 Biology with Answers on a daily basis and score well in exams. 

Evolution Class 12 MCQs Questions with Answers

Animal husbandry and plant breeding programmes are the examples of
(a) reverse evolution
(b) aritifical selection
(c) mutation
(d) natural selection

Answer: (d) natural selection

(p+q)2 = p2 + 2pq + q2 = 1 represents an equation used in
(a) population genetics
(b) Mendilian genetics
(c) biometircs
(d) molecular genetics

Answer: (a) population genetics

Fossils are generally found in
(a) sedimentary rocks
(b) igneous rocks
(c) metamorphic rocks
(d) any type of rock

Answer: (a) sedimentasry rocks

Which of the following is an example for link species ?
(a) Lobe fish
(b) Dodo bird
(c) Seaweed
(d) Chimpanzee

Answer: (a) Lobe fish

Variations during mutations of meiotic recombinations are
(a) random and directionless
(b) random and directional
(c) random and small
(d) random small and directional

Answer: (a) random and directionless

Abiogenesis theory of origin supports
(a) spontaneous generation
(b) origin of life from blue-green algae
(c) origin of life is due to pre-existing organisms
(d) organic evolution is due to chemical reactions

Answer: (a) spontaneous generation

According to one of the most widely accepted theories, earth’s atmosphere before origin of life was
(a) oxidising
(b) oxidising along with H2
(c) reducing with free O2 in small amount
(d) reducing with oxygen absent in O2 form

Answer: (b) oxidising along with H2

As per Neo-Darwinism, which is mainly responsible for evolution?
(a) Mutation
(b) Natural drift
(c) Both of these
(d) All of these

Answer: (b) Natural drift

Which one of the following phenomenon supports Darwin’s concept of natural selection in organic evolution?
(a) Development of transgenic animals
(b) Production of ‘Dolly the sheep’ by cloning
(c) Prevalence of pesticide resistant insects
(d) Development of organs from ‘Stem cells’ for organ transplantation

Answer: (c) Prevalence of pesticide resistant insects

Theory of Pangenesis was given by
(a) Darwin
(b) Lamarck
(c) Weismann
(d) DeVries

Answer: (a) Darwin

Life on earth appeared
(a) 800 million years after the formation of the earth
(b) 700 million years after the formation of he earth
(c) 600 million years after the formation of the earth
(d) 500 million years after the formation of the earth

Answer: (a) 800 million years after the formation of the earth

Name the Russian scientist who proposed that the first form of life could come from pre-existing non living organic molecules and that the formation of life was preceded by chemical evolution
(a) Darwin
(b) Mendel
(c) Louis Pasteur
(d) Oparin

Answer: (d) Oparin

Homology indicates
(a) Common structure
(b) Common organs
(c) Common brain
(d) Common ancestry

Answer: (d) Common ancestry

Use of herbicides, pesticides etc. has resulted in
(а) More varieties in a much lesser time scale
(b) Less varieties in a much lesser time scale
(c) Resistant varieties in a much lesser time scale
(d) None of the above

Answer: (c) Resistant varieties in a much lesser time scale

The principle that says that allele frequencies in a population are stable and is constant from generation to generation is
(a) Hardy-Weinberg Principle
(b) Charles Darwin Principle
(c) de Vries Principle
(d) Lamarch Principle

Answer: (a) Hardy-Weinberg Principle

The first cellular form of life appeared on earth in about
(a) 3000 mya
(b) 2500 mya
(c) 2000 mya
(d) 1500 mya

Answer: (c) 2000 mya

Early atmosphere contained methane and other hydrocarbons. They have been now replaced by
(a) nitrogen
(b) oxygen
(c) carbon dioxide
(d) hydrogen

Answer: (c) carbon dioxide

First life from on earth was a
(a) cyanobacterium
(b) chemoheterotroph
(c) autotroph
(d) photoautotroph

Answer: (b) chemoheterotroph

Identify the correct arrangement of periods of Palaeozic era in ascending order in geological time scale
(a) Cambrian → Devonian → Ordovician → Silurian → Carboniferous → Permian
(b) Cambrian → Ordovician → Silurian → Devonian → Carboniferous → Permian
(c) Cambrian → Ordovician → Devonian → Silurian → Carboniferous → Permian
(d) Silurian → Devonian → Cambrian → Ordovician → Permian → Carboniferous

Answer: (b) Cambrian → Ordovician → Silurian → Devonian → Carboniferous → Permian

The brain capacity of Homo erectus was about
(a) 650 c.c.
(b) 900 c.c.
(c) 1500 c.c.
(d) 1400 c.c.

Answer: (b) 900 c.c.

The work of ……………. on population influenced Darwin
(a) Mendel
(b) Lamarck
(c) Malthus
(d) None of the above

Answer: (c) Malthus

Book ‘Philosophique Zoologique’ was written by
(a) Lamarck
(b) Mendel
(c) Darwin
(d) Hugo-devries

Answer: (a) Lamarck

Wings of Butterfly and birds are
(a) Vestigial organs
(b) Analogous organs
(c) Homologous organs
(d) Both (a) and (b)

Answer: (b) Analogous organs

The extinct stone ancestor, who ate only fruits and hunted with stone weapons was
(a) Ramapithecus
(b) Australophecus
(c) Dryopithecus
(d) Homo erectus

Answer: (b) Australophecus

Which is the correct order of increasing geological time scale for a hypothetical vertebrate evolution ?
(a) Cenozoic, Mesozoic, Palaeozoic, Proterozoic
(b) Cenozoic, Palaeozoic, Mesozoic, Proterozoic
(c) Proterozoic, Cenozoic, Palaezoic, Mesozoic
(d) Proterozoic, Palaeozoic, Mesozoic, Cenozoic

Answer: (d) Proterozoic, Palaeozoic, Mesozoic, Cenozoic

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